Strongly Deformed TCNQ Derivatives: Syntheses and Properties of 7,12-Bis(dicyanomethylene)-7,12-dihydrobenz[<i>a</i>]anthracene (BDCNBA) Derivatives
作者:Kazuhiro Maruyama、Hiroshi Imahori、Katsuhiko Nakagawa、Nobuo Tanaka
DOI:10.1246/bcsj.62.1626
日期:1989.5
In spite of large steric repulsion between aromatic quinone moiety and dicyanomethylene moiety the title compounds (BDCNBA) were synthesized by TiCl4-catalyzed reactions of the corresponding aromatic quinones and malononitrile. BDCNBA showed electronic spectra indicating the intramolecular charge-transfer interaction and redox properties similar to 11,11,12,12-tetracyano-9,10-anthraquinodimethane (TCNAQ)
尽管芳族醌部分和二氰基亚甲基部分之间存在大的空间排斥,但标题化合物 (BDCNBA) 是通过相应的芳族醌和丙二腈的 TiCl4 催化反应合成的。BDCNBA 显示的电子光谱表明分子内电荷转移相互作用和氧化还原特性类似于 11,11,12,12-tetracyano-9,10-anthraquinodimethane (TCNAQ) 衍生物。BDCNBA 显示出低电导率 (≈10−7 Ω−1 cm−1)。通过 X 射线晶体学分析建立了 BDCNBA 的强烈变形结构。